JPH0735901Y2 - 穴掘建柱車の安全装置 - Google Patents
穴掘建柱車の安全装置Info
- Publication number
- JPH0735901Y2 JPH0735901Y2 JP1989123298U JP12329889U JPH0735901Y2 JP H0735901 Y2 JPH0735901 Y2 JP H0735901Y2 JP 1989123298 U JP1989123298 U JP 1989123298U JP 12329889 U JP12329889 U JP 12329889U JP H0735901 Y2 JPH0735901 Y2 JP H0735901Y2
- Authority
- JP
- Japan
- Prior art keywords
- telescopic boom
- auger drill
- signal
- boom
- auger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000001141 propulsive effect Effects 0.000 claims description 5
- 230000033228 biological regulation Effects 0.000 claims description 3
- 238000005553 drilling Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Landscapes
- Component Parts Of Construction Machinery (AREA)
- Earth Drilling (AREA)
- Operation Control Of Excavators (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989123298U JPH0735901Y2 (ja) | 1989-10-20 | 1989-10-20 | 穴掘建柱車の安全装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989123298U JPH0735901Y2 (ja) | 1989-10-20 | 1989-10-20 | 穴掘建柱車の安全装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0362184U JPH0362184U (enrdf_load_stackoverflow) | 1991-06-18 |
| JPH0735901Y2 true JPH0735901Y2 (ja) | 1995-08-16 |
Family
ID=31671283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989123298U Expired - Lifetime JPH0735901Y2 (ja) | 1989-10-20 | 1989-10-20 | 穴掘建柱車の安全装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0735901Y2 (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002038859A (ja) * | 2000-07-24 | 2002-02-06 | Kobelco Contstruction Machinery Ltd | ブーム式作業機械 |
-
1989
- 1989-10-20 JP JP1989123298U patent/JPH0735901Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002038859A (ja) * | 2000-07-24 | 2002-02-06 | Kobelco Contstruction Machinery Ltd | ブーム式作業機械 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0362184U (enrdf_load_stackoverflow) | 1991-06-18 |
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